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Merge pull request #5468 from qlyoung/bgpd-remove-bgp-attr-dup
[mirror_frr.git] / ospfd / ospf_te.c
1 /*
2 * This is an implementation of RFC3630
3 * Copyright (C) 2001 KDD R&D Laboratories, Inc.
4 * http://www.kddlabs.co.jp/
5 *
6 * Copyright (C) 2012 Orange Labs
7 * http://www.orange.com
8 *
9 * This file is part of GNU Zebra.
10 *
11 * GNU Zebra is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2, or (at your option) any
14 * later version.
15 *
16 * GNU Zebra is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; see the file COPYING; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
26 /* Add support of RFC7471 */
27 /* Add support of RFC5392, RFC6827 */
28
29 #include <zebra.h>
30 #include <math.h>
31
32 #include "linklist.h"
33 #include "prefix.h"
34 #include "vrf.h"
35 #include "if.h"
36 #include "table.h"
37 #include "memory.h"
38 #include "command.h"
39 #include "vty.h"
40 #include "stream.h"
41 #include "log.h"
42 #include "thread.h"
43 #include "hash.h"
44 #include "sockunion.h" /* for inet_aton() */
45 #include "network.h"
46
47 #include "ospfd/ospfd.h"
48 #include "ospfd/ospf_interface.h"
49 #include "ospfd/ospf_ism.h"
50 #include "ospfd/ospf_asbr.h"
51 #include "ospfd/ospf_lsa.h"
52 #include "ospfd/ospf_lsdb.h"
53 #include "ospfd/ospf_neighbor.h"
54 #include "ospfd/ospf_nsm.h"
55 #include "ospfd/ospf_flood.h"
56 #include "ospfd/ospf_packet.h"
57 #include "ospfd/ospf_spf.h"
58 #include "ospfd/ospf_dump.h"
59 #include "ospfd/ospf_route.h"
60 #include "ospfd/ospf_ase.h"
61 #include "ospfd/ospf_zebra.h"
62 #include "ospfd/ospf_te.h"
63 #include "ospfd/ospf_vty.h"
64 #include "ospfd/ospf_errors.h"
65
66 /*
67 * Global variable to manage Opaque-LSA/MPLS-TE on this node.
68 * Note that all parameter values are stored in network byte order.
69 */
70 struct ospf_mpls_te OspfMplsTE;
71
72 static const char *const mode2text[] = {"Off", "AS", "Area"};
73
74 /*------------------------------------------------------------------------*
75 * Followings are initialize/terminate functions for MPLS-TE handling.
76 *------------------------------------------------------------------------*/
77
78 static int ospf_mpls_te_new_if(struct interface *ifp);
79 static int ospf_mpls_te_del_if(struct interface *ifp);
80 static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_status);
81 static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_status);
82 static void ospf_mpls_te_config_write_router(struct vty *vty);
83 static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa);
84 static int ospf_mpls_te_lsa_originate_area(void *arg);
85 static int ospf_mpls_te_lsa_originate_as(void *arg);
86 static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa);
87
88 static void del_mpls_te_link(void *val);
89 static void ospf_mpls_te_register_vty(void);
90
91 int ospf_mpls_te_init(void)
92 {
93 int rc;
94
95 rc = ospf_register_opaque_functab(
96 OSPF_OPAQUE_AREA_LSA, OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
97 ospf_mpls_te_new_if, ospf_mpls_te_del_if,
98 ospf_mpls_te_ism_change, ospf_mpls_te_nsm_change,
99 ospf_mpls_te_config_write_router,
100 NULL, /*ospf_mpls_te_config_write_if */
101 NULL, /* ospf_mpls_te_config_write_debug */
102 ospf_mpls_te_show_info, ospf_mpls_te_lsa_originate_area,
103 ospf_mpls_te_lsa_refresh, NULL, /* ospf_mpls_te_new_lsa_hook */
104 NULL /* ospf_mpls_te_del_lsa_hook */);
105 if (rc != 0) {
106 flog_warn(
107 EC_OSPF_OPAQUE_REGISTRATION,
108 "ospf_mpls_te_init: Failed to register Traffic Engineering functions");
109 return rc;
110 }
111
112 memset(&OspfMplsTE, 0, sizeof(struct ospf_mpls_te));
113 OspfMplsTE.enabled = false;
114 OspfMplsTE.inter_as = Off;
115 OspfMplsTE.iflist = list_new();
116 OspfMplsTE.iflist->del = del_mpls_te_link;
117
118 ospf_mpls_te_register_vty();
119
120 return rc;
121 }
122
123 /* Additional register for RFC5392 support */
124 static int ospf_mpls_te_register(enum inter_as_mode mode)
125 {
126 int rc = 0;
127 uint8_t scope;
128
129 if (OspfMplsTE.inter_as != Off)
130 return rc;
131
132 if (mode == AS)
133 scope = OSPF_OPAQUE_AS_LSA;
134 else
135 scope = OSPF_OPAQUE_AREA_LSA;
136
137 rc = ospf_register_opaque_functab(scope, OPAQUE_TYPE_INTER_AS_LSA, NULL,
138 NULL, NULL, NULL, NULL, NULL, NULL,
139 ospf_mpls_te_show_info,
140 ospf_mpls_te_lsa_originate_as,
141 ospf_mpls_te_lsa_refresh, NULL, NULL);
142
143 if (rc != 0) {
144 flog_warn(
145 EC_OSPF_OPAQUE_REGISTRATION,
146 "ospf_router_info_init: Failed to register Inter-AS functions");
147 return rc;
148 }
149
150 return rc;
151 }
152
153 static int ospf_mpls_te_unregister(void)
154 {
155 uint8_t scope;
156
157 if (OspfMplsTE.inter_as == Off)
158 return 0;
159
160 if (OspfMplsTE.inter_as == AS)
161 scope = OSPF_OPAQUE_AS_LSA;
162 else
163 scope = OSPF_OPAQUE_AREA_LSA;
164
165 ospf_delete_opaque_functab(scope, OPAQUE_TYPE_INTER_AS_LSA);
166
167 return 0;
168 }
169
170 void ospf_mpls_te_term(void)
171 {
172 list_delete(&OspfMplsTE.iflist);
173
174 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA,
175 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
176
177 OspfMplsTE.enabled = false;
178
179 ospf_mpls_te_unregister();
180 OspfMplsTE.inter_as = Off;
181
182 return;
183 }
184
185 void ospf_mpls_te_finish(void)
186 {
187 // list_delete_all_node(OspfMplsTE.iflist);
188
189 OspfMplsTE.enabled = false;
190 OspfMplsTE.inter_as = Off;
191 }
192
193 /*------------------------------------------------------------------------*
194 * Followings are control functions for MPLS-TE parameters management.
195 *------------------------------------------------------------------------*/
196
197 static void del_mpls_te_link(void *val)
198 {
199 XFREE(MTYPE_OSPF_MPLS_TE, val);
200 return;
201 }
202
203 static uint32_t get_mpls_te_instance_value(void)
204 {
205 static uint32_t seqno = 0;
206
207 if (seqno < MAX_LEGAL_TE_INSTANCE_NUM)
208 seqno += 1;
209 else
210 seqno = 1; /* Avoid zero. */
211
212 return seqno;
213 }
214
215 static struct mpls_te_link *lookup_linkparams_by_ifp(struct interface *ifp)
216 {
217 struct listnode *node, *nnode;
218 struct mpls_te_link *lp;
219
220 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
221 if (lp->ifp == ifp)
222 return lp;
223
224 return NULL;
225 }
226
227 static struct mpls_te_link *lookup_linkparams_by_instance(struct ospf_lsa *lsa)
228 {
229 struct listnode *node;
230 struct mpls_te_link *lp;
231 unsigned int key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr));
232
233 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
234 if (lp->instance == key)
235 return lp;
236
237 zlog_info("lookup_linkparams_by_instance: Entry not found: key(%x)",
238 key);
239 return NULL;
240 }
241
242 static void ospf_mpls_te_foreach_area(
243 void (*func)(struct mpls_te_link *lp, enum lsa_opcode sched_opcode),
244 enum lsa_opcode sched_opcode)
245 {
246 struct listnode *node, *nnode;
247 struct listnode *node2;
248 struct mpls_te_link *lp;
249 struct ospf_area *area;
250
251 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
252 /* Skip Inter-AS TEv2 Links */
253 if (IS_INTER_AS(lp->type))
254 continue;
255 if ((area = lp->area) == NULL)
256 continue;
257 if (CHECK_FLAG(lp->flags, LPFLG_LOOKUP_DONE))
258 continue;
259
260 if (func != NULL)
261 (*func)(lp, sched_opcode);
262
263 for (node2 = listnextnode(node); node2;
264 node2 = listnextnode(node2))
265 if ((lp = listgetdata(node2)) != NULL)
266 if (lp->area != NULL)
267 if (IPV4_ADDR_SAME(&lp->area->area_id,
268 &area->area_id))
269 SET_FLAG(lp->flags,
270 LPFLG_LOOKUP_DONE);
271 }
272
273 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
274 if (lp->area != NULL)
275 UNSET_FLAG(lp->flags, LPFLG_LOOKUP_DONE);
276
277 return;
278 }
279
280 static void set_mpls_te_router_addr(struct in_addr ipv4)
281 {
282 OspfMplsTE.router_addr.header.type = htons(TE_TLV_ROUTER_ADDR);
283 OspfMplsTE.router_addr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
284 OspfMplsTE.router_addr.value = ipv4;
285 return;
286 }
287
288 static void set_linkparams_link_header(struct mpls_te_link *lp)
289 {
290 uint16_t length = 0;
291
292 /* TE_LINK_SUBTLV_LINK_TYPE */
293 if (ntohs(lp->link_type.header.type) != 0)
294 length += TLV_SIZE(&lp->link_type.header);
295
296 /* TE_LINK_SUBTLV_LINK_ID */
297 if (ntohs(lp->link_id.header.type) != 0)
298 length += TLV_SIZE(&lp->link_id.header);
299
300 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
301 if (lp->lclif_ipaddr.header.type != 0)
302 length += TLV_SIZE(&lp->lclif_ipaddr.header);
303
304 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
305 if (lp->rmtif_ipaddr.header.type != 0)
306 length += TLV_SIZE(&lp->rmtif_ipaddr.header);
307
308 /* TE_LINK_SUBTLV_TE_METRIC */
309 if (ntohs(lp->te_metric.header.type) != 0)
310 length += TLV_SIZE(&lp->te_metric.header);
311
312 /* TE_LINK_SUBTLV_MAX_BW */
313 if (ntohs(lp->max_bw.header.type) != 0)
314 length += TLV_SIZE(&lp->max_bw.header);
315
316 /* TE_LINK_SUBTLV_MAX_RSV_BW */
317 if (ntohs(lp->max_rsv_bw.header.type) != 0)
318 length += TLV_SIZE(&lp->max_rsv_bw.header);
319
320 /* TE_LINK_SUBTLV_UNRSV_BW */
321 if (ntohs(lp->unrsv_bw.header.type) != 0)
322 length += TLV_SIZE(&lp->unrsv_bw.header);
323
324 /* TE_LINK_SUBTLV_RSC_CLSCLR */
325 if (ntohs(lp->rsc_clsclr.header.type) != 0)
326 length += TLV_SIZE(&lp->rsc_clsclr.header);
327
328 /* TE_LINK_SUBTLV_LLRI */
329 if (ntohs(lp->llri.header.type) != 0)
330 length += TLV_SIZE(&lp->llri.header);
331
332 /* TE_LINK_SUBTLV_RIP */
333 if (ntohs(lp->rip.header.type) != 0)
334 length += TLV_SIZE(&lp->rip.header);
335
336 /* TE_LINK_SUBTLV_RAS */
337 if (ntohs(lp->ras.header.type) != 0)
338 length += TLV_SIZE(&lp->ras.header);
339
340 /* TE_LINK_SUBTLV_LRRID */
341 if (ntohs(lp->lrrid.header.type) != 0)
342 length += TLV_SIZE(&lp->lrrid.header);
343
344 /* TE_LINK_SUBTLV_AV_DELAY */
345 if (ntohs(lp->av_delay.header.type) != 0)
346 length += TLV_SIZE(&lp->av_delay.header);
347
348 /* TE_LINK_SUBTLV_MM_DELAY */
349 if (ntohs(lp->mm_delay.header.type) != 0)
350 length += TLV_SIZE(&lp->mm_delay.header);
351
352 /* TE_LINK_SUBTLV_DELAY_VAR */
353 if (ntohs(lp->delay_var.header.type) != 0)
354 length += TLV_SIZE(&lp->delay_var.header);
355
356 /* TE_LINK_SUBTLV_PKT_LOSS */
357 if (ntohs(lp->pkt_loss.header.type) != 0)
358 length += TLV_SIZE(&lp->pkt_loss.header);
359
360 /* TE_LINK_SUBTLV_RES_BW */
361 if (ntohs(lp->res_bw.header.type) != 0)
362 length += TLV_SIZE(&lp->res_bw.header);
363
364 /* TE_LINK_SUBTLV_AVA_BW */
365 if (ntohs(lp->ava_bw.header.type) != 0)
366 length += TLV_SIZE(&lp->ava_bw.header);
367
368 /* TE_LINK_SUBTLV_USE_BW */
369 if (ntohs(lp->use_bw.header.type) != 0)
370 length += TLV_SIZE(&lp->use_bw.header);
371
372 lp->link_header.header.type = htons(TE_TLV_LINK);
373 lp->link_header.header.length = htons(length);
374
375 return;
376 }
377
378 static void set_linkparams_link_type(struct ospf_interface *oi,
379 struct mpls_te_link *lp)
380 {
381 lp->link_type.header.type = htons(TE_LINK_SUBTLV_LINK_TYPE);
382 lp->link_type.header.length = htons(TE_LINK_SUBTLV_TYPE_SIZE);
383
384 switch (oi->type) {
385 case OSPF_IFTYPE_POINTOPOINT:
386 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_PTP;
387 break;
388 case OSPF_IFTYPE_BROADCAST:
389 case OSPF_IFTYPE_NBMA:
390 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_MA;
391 break;
392 default:
393 /* Not supported yet. */ /* XXX */
394 lp->link_type.header.type = htons(0);
395 break;
396 }
397 return;
398 }
399
400 static void set_linkparams_link_id(struct mpls_te_link *lp,
401 struct in_addr link_id)
402 {
403
404 lp->link_id.header.type = htons(TE_LINK_SUBTLV_LINK_ID);
405 lp->link_id.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
406 lp->link_id.value = link_id;
407 return;
408 }
409
410 static void set_linkparams_lclif_ipaddr(struct mpls_te_link *lp,
411 struct in_addr lclif)
412 {
413
414 lp->lclif_ipaddr.header.type = htons(TE_LINK_SUBTLV_LCLIF_IPADDR);
415 lp->lclif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
416 lp->lclif_ipaddr.value[0] = lclif;
417 return;
418 }
419
420 static void set_linkparams_rmtif_ipaddr(struct mpls_te_link *lp,
421 struct in_addr rmtif)
422 {
423
424 lp->rmtif_ipaddr.header.type = htons(TE_LINK_SUBTLV_RMTIF_IPADDR);
425 lp->rmtif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
426 lp->rmtif_ipaddr.value[0] = rmtif;
427 return;
428 }
429
430 static void set_linkparams_te_metric(struct mpls_te_link *lp,
431 uint32_t te_metric)
432 {
433 lp->te_metric.header.type = htons(TE_LINK_SUBTLV_TE_METRIC);
434 lp->te_metric.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
435 lp->te_metric.value = htonl(te_metric);
436 return;
437 }
438
439 static void set_linkparams_max_bw(struct mpls_te_link *lp, float fp)
440 {
441 lp->max_bw.header.type = htons(TE_LINK_SUBTLV_MAX_BW);
442 lp->max_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
443 lp->max_bw.value = htonf(fp);
444 return;
445 }
446
447 static void set_linkparams_max_rsv_bw(struct mpls_te_link *lp, float fp)
448 {
449 lp->max_rsv_bw.header.type = htons(TE_LINK_SUBTLV_MAX_RSV_BW);
450 lp->max_rsv_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
451 lp->max_rsv_bw.value = htonf(fp);
452 return;
453 }
454
455 static void set_linkparams_unrsv_bw(struct mpls_te_link *lp, int priority,
456 float fp)
457 {
458 /* Note that TLV-length field is the size of array. */
459 lp->unrsv_bw.header.type = htons(TE_LINK_SUBTLV_UNRSV_BW);
460 lp->unrsv_bw.header.length = htons(TE_LINK_SUBTLV_UNRSV_SIZE);
461 lp->unrsv_bw.value[priority] = htonf(fp);
462 return;
463 }
464
465 static void set_linkparams_rsc_clsclr(struct mpls_te_link *lp,
466 uint32_t classcolor)
467 {
468 lp->rsc_clsclr.header.type = htons(TE_LINK_SUBTLV_RSC_CLSCLR);
469 lp->rsc_clsclr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
470 lp->rsc_clsclr.value = htonl(classcolor);
471 return;
472 }
473
474 static void set_linkparams_inter_as(struct mpls_te_link *lp,
475 struct in_addr addr, uint32_t as)
476 {
477
478 /* Set the Remote ASBR IP address and then the associated AS number */
479 lp->rip.header.type = htons(TE_LINK_SUBTLV_RIP);
480 lp->rip.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
481 lp->rip.value = addr;
482
483 lp->ras.header.type = htons(TE_LINK_SUBTLV_RAS);
484 lp->ras.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
485 lp->ras.value = htonl(as);
486 }
487
488 static void unset_linkparams_inter_as(struct mpls_te_link *lp)
489 {
490
491 /* Reset the Remote ASBR IP address and then the associated AS number */
492 lp->rip.header.type = htons(0);
493 lp->rip.header.length = htons(0);
494 lp->rip.value.s_addr = htonl(0);
495
496 lp->ras.header.type = htons(0);
497 lp->ras.header.length = htons(0);
498 lp->ras.value = htonl(0);
499 }
500
501 void set_linkparams_llri(struct mpls_te_link *lp, uint32_t local,
502 uint32_t remote)
503 {
504
505 lp->llri.header.type = htons(TE_LINK_SUBTLV_LLRI);
506 lp->llri.header.length = htons(TE_LINK_SUBTLV_LLRI_SIZE);
507 lp->llri.local = htonl(local);
508 lp->llri.remote = htonl(remote);
509 }
510
511 void set_linkparams_lrrid(struct mpls_te_link *lp, struct in_addr local,
512 struct in_addr remote)
513 {
514
515 lp->lrrid.header.type = htons(TE_LINK_SUBTLV_LRRID);
516 lp->lrrid.header.length = htons(TE_LINK_SUBTLV_LRRID_SIZE);
517 lp->lrrid.local.s_addr = local.s_addr;
518 lp->lrrid.remote.s_addr = remote.s_addr;
519 }
520
521 static void set_linkparams_av_delay(struct mpls_te_link *lp, uint32_t delay,
522 uint8_t anormal)
523 {
524 uint32_t tmp;
525 /* Note that TLV-length field is the size of array. */
526 lp->av_delay.header.type = htons(TE_LINK_SUBTLV_AV_DELAY);
527 lp->av_delay.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
528 tmp = delay & TE_EXT_MASK;
529 if (anormal)
530 tmp |= TE_EXT_ANORMAL;
531 lp->av_delay.value = htonl(tmp);
532 return;
533 }
534
535 static void set_linkparams_mm_delay(struct mpls_te_link *lp, uint32_t low,
536 uint32_t high, uint8_t anormal)
537 {
538 uint32_t tmp;
539 /* Note that TLV-length field is the size of array. */
540 lp->mm_delay.header.type = htons(TE_LINK_SUBTLV_MM_DELAY);
541 lp->mm_delay.header.length = htons(TE_LINK_SUBTLV_MM_DELAY_SIZE);
542 tmp = low & TE_EXT_MASK;
543 if (anormal)
544 tmp |= TE_EXT_ANORMAL;
545 lp->mm_delay.low = htonl(tmp);
546 lp->mm_delay.high = htonl(high);
547 return;
548 }
549
550 static void set_linkparams_delay_var(struct mpls_te_link *lp, uint32_t jitter)
551 {
552 /* Note that TLV-length field is the size of array. */
553 lp->delay_var.header.type = htons(TE_LINK_SUBTLV_DELAY_VAR);
554 lp->delay_var.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
555 lp->delay_var.value = htonl(jitter & TE_EXT_MASK);
556 return;
557 }
558
559 static void set_linkparams_pkt_loss(struct mpls_te_link *lp, uint32_t loss,
560 uint8_t anormal)
561 {
562 uint32_t tmp;
563 /* Note that TLV-length field is the size of array. */
564 lp->pkt_loss.header.type = htons(TE_LINK_SUBTLV_PKT_LOSS);
565 lp->pkt_loss.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
566 tmp = loss & TE_EXT_MASK;
567 if (anormal)
568 tmp |= TE_EXT_ANORMAL;
569 lp->pkt_loss.value = htonl(tmp);
570 return;
571 }
572
573 static void set_linkparams_res_bw(struct mpls_te_link *lp, float fp)
574 {
575 /* Note that TLV-length field is the size of array. */
576 lp->res_bw.header.type = htons(TE_LINK_SUBTLV_RES_BW);
577 lp->res_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
578 lp->res_bw.value = htonf(fp);
579 return;
580 }
581
582 static void set_linkparams_ava_bw(struct mpls_te_link *lp, float fp)
583 {
584 /* Note that TLV-length field is the size of array. */
585 lp->ava_bw.header.type = htons(TE_LINK_SUBTLV_AVA_BW);
586 lp->ava_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
587 lp->ava_bw.value = htonf(fp);
588 return;
589 }
590
591 static void set_linkparams_use_bw(struct mpls_te_link *lp, float fp)
592 {
593 /* Note that TLV-length field is the size of array. */
594 lp->use_bw.header.type = htons(TE_LINK_SUBTLV_USE_BW);
595 lp->use_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
596 lp->use_bw.value = htonf(fp);
597 return;
598 }
599
600 /* Update TE parameters from Interface */
601 static void update_linkparams(struct mpls_te_link *lp)
602 {
603 int i;
604 struct interface *ifp;
605
606 /* Get the Interface structure */
607 if ((ifp = lp->ifp) == NULL) {
608 if (IS_DEBUG_OSPF_TE)
609 zlog_debug(
610 "OSPF MPLS-TE: Abort update TE parameters: no interface associated to Link Parameters");
611 return;
612 }
613 if (!HAS_LINK_PARAMS(ifp)) {
614 if (IS_DEBUG_OSPF_TE)
615 zlog_debug(
616 "OSPF MPLS-TE: Abort update TE parameters: no Link Parameters for interface");
617 return;
618 }
619
620 /* RFC3630 metrics */
621 if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP))
622 set_linkparams_rsc_clsclr(lp, ifp->link_params->admin_grp);
623 else
624 TLV_TYPE(lp->rsc_clsclr) = 0;
625
626 if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW))
627 set_linkparams_max_bw(lp, ifp->link_params->max_bw);
628 else
629 TLV_TYPE(lp->max_bw) = 0;
630
631 if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW))
632 set_linkparams_max_rsv_bw(lp, ifp->link_params->max_rsv_bw);
633 else
634 TLV_TYPE(lp->max_rsv_bw) = 0;
635
636 if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW))
637 for (i = 0; i < MAX_CLASS_TYPE; i++)
638 set_linkparams_unrsv_bw(lp, i,
639 ifp->link_params->unrsv_bw[i]);
640 else
641 TLV_TYPE(lp->unrsv_bw) = 0;
642
643 if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC))
644 set_linkparams_te_metric(lp, ifp->link_params->te_metric);
645 else
646 TLV_TYPE(lp->te_metric) = 0;
647
648 /* TE metric Extensions */
649 if (IS_PARAM_SET(ifp->link_params, LP_DELAY))
650 set_linkparams_av_delay(lp, ifp->link_params->av_delay, 0);
651 else
652 TLV_TYPE(lp->av_delay) = 0;
653
654 if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY))
655 set_linkparams_mm_delay(lp, ifp->link_params->min_delay,
656 ifp->link_params->max_delay, 0);
657 else
658 TLV_TYPE(lp->mm_delay) = 0;
659
660 if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR))
661 set_linkparams_delay_var(lp, ifp->link_params->delay_var);
662 else
663 TLV_TYPE(lp->delay_var) = 0;
664
665 if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS))
666 set_linkparams_pkt_loss(lp, ifp->link_params->pkt_loss, 0);
667 else
668 TLV_TYPE(lp->pkt_loss) = 0;
669
670 if (IS_PARAM_SET(ifp->link_params, LP_RES_BW))
671 set_linkparams_res_bw(lp, ifp->link_params->res_bw);
672 else
673 TLV_TYPE(lp->res_bw) = 0;
674
675 if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW))
676 set_linkparams_ava_bw(lp, ifp->link_params->ava_bw);
677 else
678 TLV_TYPE(lp->ava_bw) = 0;
679
680 if (IS_PARAM_SET(ifp->link_params, LP_USE_BW))
681 set_linkparams_use_bw(lp, ifp->link_params->use_bw);
682 else
683 TLV_TYPE(lp->use_bw) = 0;
684
685 /* RFC5392 */
686 if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) {
687 /* Flush LSA if it engaged and was previously a STD_TE one */
688 if (IS_STD_TE(lp->type)
689 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
690 if (IS_DEBUG_OSPF_TE)
691 zlog_debug(
692 "OSPF MPLS-TE Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
693 ifp->name, lp->flags, lp->type);
694
695 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
696 /* Then, switch it to INTER-AS */
697 if (OspfMplsTE.inter_as == AS)
698 lp->flags = INTER_AS | FLOOD_AS;
699 else {
700 lp->flags = INTER_AS | FLOOD_AREA;
701 lp->area = ospf_area_lookup_by_area_id(
702 ospf_lookup_by_vrf_id(VRF_DEFAULT),
703 OspfMplsTE.interas_areaid);
704 }
705 }
706 set_linkparams_inter_as(lp, ifp->link_params->rmt_ip,
707 ifp->link_params->rmt_as);
708 } else {
709 if (IS_DEBUG_OSPF_TE)
710 zlog_debug(
711 "OSPF MPLS-TE Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
712 ifp->name, lp->flags, lp->type);
713
714 /* reset inter-as TE params */
715 /* Flush LSA if it engaged and was previously an INTER_AS one */
716 if (IS_INTER_AS(lp->type)
717 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
718 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
719 /* Then, switch it to Standard TE */
720 lp->flags = STD_TE | FLOOD_AREA;
721 }
722 unset_linkparams_inter_as(lp);
723 }
724 }
725
726 static void initialize_linkparams(struct mpls_te_link *lp)
727 {
728 struct interface *ifp = lp->ifp;
729 struct ospf_interface *oi = NULL;
730 struct route_node *rn;
731
732 if (IS_DEBUG_OSPF_TE)
733 zlog_debug(
734 "MPLS-TE(initialize_linkparams) Initialize Link Parameters for interface %s",
735 ifp->name);
736
737 /* Search OSPF Interface parameters for this interface */
738 for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
739
740 if ((oi = rn->info) == NULL)
741 continue;
742
743 if (oi->ifp == ifp)
744 break;
745 }
746
747 if ((oi == NULL) || (oi->ifp != ifp)) {
748 if (IS_DEBUG_OSPF_TE)
749 zlog_debug(
750 "MPLS-TE(initialize_linkparams) Could not find corresponding OSPF Interface for %s",
751 ifp->name);
752 return;
753 }
754
755 /*
756 * Try to set initial values those can be derived from
757 * zebra-interface information.
758 */
759 set_linkparams_link_type(oi, lp);
760
761 /* Set local IP addr */
762 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
763
764 /* Set Remote IP addr if Point to Point Interface */
765 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
766 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
767 if (pref != NULL)
768 set_linkparams_rmtif_ipaddr(lp, pref->u.prefix4);
769 }
770
771 /* Keep Area information in combination with link parameters. */
772 lp->area = oi->area;
773
774 return;
775 }
776
777 static int is_mandated_params_set(struct mpls_te_link *lp)
778 {
779 int rc = 0;
780
781 if (ntohs(OspfMplsTE.router_addr.header.type) == 0) {
782 flog_warn(
783 EC_OSPF_TE_UNEXPECTED,
784 "MPLS-TE(is_mandated_params_set) Missing Router Address");
785 return rc;
786 }
787
788 if (ntohs(lp->link_type.header.type) == 0) {
789 flog_warn(EC_OSPF_TE_UNEXPECTED,
790 "MPLS-TE(is_mandated_params_set) Missing Link Type");
791 return rc;
792 }
793
794 if (!IS_INTER_AS(lp->type) && (ntohs(lp->link_id.header.type) == 0)) {
795 flog_warn(EC_OSPF_TE_UNEXPECTED,
796 "MPLS-TE(is_mandated_params_set) Missing Link ID");
797 return rc;
798 }
799
800 rc = 1;
801 return rc;
802 }
803
804 /*------------------------------------------------------------------------*
805 * Followings are callback functions against generic Opaque-LSAs handling.
806 *------------------------------------------------------------------------*/
807
808 static int ospf_mpls_te_new_if(struct interface *ifp)
809 {
810 struct mpls_te_link *new;
811
812 if (IS_DEBUG_OSPF_TE)
813 zlog_debug(
814 "MPLS-TE(ospf_mpls_te_new_if) Add new %s interface %s to MPLS-TE list",
815 ifp->link_params ? "Active" : "Inactive", ifp->name);
816
817 if (lookup_linkparams_by_ifp(ifp) != NULL)
818 return 0;
819
820 new = XCALLOC(MTYPE_OSPF_MPLS_TE, sizeof(struct mpls_te_link));
821
822 new->instance = get_mpls_te_instance_value();
823 new->ifp = ifp;
824 /* By default TE-Link is RFC3630 compatible flooding in Area and not
825 * active */
826 /* This default behavior will be adapted with call to
827 * ospf_mpls_te_update_if() */
828 new->type = STD_TE | FLOOD_AREA;
829 new->flags = LPFLG_LSA_INACTIVE;
830
831 /* Initialize Link Parameters from Interface */
832 initialize_linkparams(new);
833
834 /* Set TE Parameters from Interface */
835 update_linkparams(new);
836
837 /* Add Link Parameters structure to the list */
838 listnode_add(OspfMplsTE.iflist, new);
839
840 if (IS_DEBUG_OSPF_TE)
841 zlog_debug(
842 "OSPF MPLS-TE New IF: Add new LP context for %s[%d/%d]",
843 ifp->name, new->flags, new->type);
844
845 /* Schedule Opaque-LSA refresh. */ /* XXX */
846 return 0;
847 }
848
849 static int ospf_mpls_te_del_if(struct interface *ifp)
850 {
851 struct mpls_te_link *lp;
852 int rc = -1;
853
854 if ((lp = lookup_linkparams_by_ifp(ifp)) != NULL) {
855 struct list *iflist = OspfMplsTE.iflist;
856
857 /* Dequeue listnode entry from the list. */
858 listnode_delete(iflist, lp);
859
860 XFREE(MTYPE_OSPF_MPLS_TE, lp);
861 }
862
863 /* Schedule Opaque-LSA refresh. */ /* XXX */
864
865 rc = 0;
866 return rc;
867 }
868
869 /* Main initialization / update function of the MPLS TE Link context */
870
871 /* Call when interface TE Link parameters are modified */
872 void ospf_mpls_te_update_if(struct interface *ifp)
873 {
874 struct mpls_te_link *lp;
875
876 if (IS_DEBUG_OSPF_TE)
877 zlog_debug(
878 "OSPF MPLS-TE: Update LSA parameters for interface %s [%s]",
879 ifp->name, HAS_LINK_PARAMS(ifp) ? "ON" : "OFF");
880
881 /* Get Link context from interface */
882 if ((lp = lookup_linkparams_by_ifp(ifp)) == NULL) {
883 flog_warn(
884 EC_OSPF_TE_UNEXPECTED,
885 "OSPF MPLS-TE Update: Did not find Link Parameters context for interface %s",
886 ifp->name);
887 return;
888 }
889
890 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
891 if (HAS_LINK_PARAMS(ifp)) {
892 SET_FLAG(lp->flags, LPFLG_LSA_ACTIVE);
893
894 /* Update TE parameters */
895 update_linkparams(lp);
896
897 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
898 * enabled */
899 if (OspfMplsTE.enabled)
900 if (lp->area != NULL) {
901 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
902 ospf_mpls_te_lsa_schedule(
903 lp, REFRESH_THIS_LSA);
904 else
905 ospf_mpls_te_lsa_schedule(
906 lp, REORIGINATE_THIS_LSA);
907 }
908 } else {
909 /* If MPLS TE is disable on this interface, flush LSA if it is
910 * already engaged */
911 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
912 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
913 else
914 /* Reset Activity flag */
915 lp->flags = LPFLG_LSA_INACTIVE;
916 }
917
918 return;
919 }
920
921 /*
922 * Just add interface and set available information. Other information
923 * and flooding of LSA will be done later when adjacency will be up
924 * See ospf_mpls_te_nsm_change() after
925 */
926 static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_state)
927 {
928
929 struct mpls_te_link *lp;
930
931 lp = lookup_linkparams_by_ifp(oi->ifp);
932 if (lp == NULL) {
933 flog_warn(
934 EC_OSPF_TE_UNEXPECTED,
935 "MPLS-TE (%s): Cannot get linkparams from OI(%s)?",
936 __func__, IF_NAME(oi));
937 return;
938 }
939
940 if (oi->area == NULL || oi->area->ospf == NULL) {
941 flog_warn(
942 EC_OSPF_TE_UNEXPECTED,
943 "MPLS-TE (%s): Cannot refer to OSPF from OI(%s)?",
944 __func__, IF_NAME(oi));
945 return;
946 }
947
948 /* Keep Area information in combination with linkparams. */
949 lp->area = oi->area;
950
951 /* Keep interface MPLS-TE status */
952 lp->flags = HAS_LINK_PARAMS(oi->ifp);
953
954 switch (oi->state) {
955 case ISM_PointToPoint:
956 case ISM_DROther:
957 case ISM_Backup:
958 case ISM_DR:
959 /* Set Link type and Local IP addr */
960 set_linkparams_link_type(oi, lp);
961 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
962
963 break;
964 default:
965 /* State is undefined: Flush LSA if engaged */
966 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
967 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
968 break;
969 }
970
971 if (IS_DEBUG_OSPF_TE)
972 zlog_debug(
973 "MPLS-TE(%s): Update Link parameters for interface %s",
974 __func__, IF_NAME(oi));
975
976 return;
977 }
978
979 /*
980 * Complete TE info and schedule LSA flooding
981 * Link-ID and Remote IP address must be set with neighbor info
982 * which are only valid once NSM state is FULL
983 */
984 static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_state)
985 {
986 struct ospf_interface *oi = nbr->oi;
987 struct mpls_te_link *lp;
988
989 /* Process Neighbor only when its state is NSM Full */
990 if (nbr->state != NSM_Full)
991 return;
992
993 /* Get interface information for Traffic Engineering */
994 lp = lookup_linkparams_by_ifp(oi->ifp);
995 if (lp == NULL) {
996 flog_warn(
997 EC_OSPF_TE_UNEXPECTED,
998 "MPLS-TE (%s): Cannot get linkparams from OI(%s)?",
999 __func__, IF_NAME(oi));
1000 return;
1001 }
1002
1003 if (oi->area == NULL || oi->area->ospf == NULL) {
1004 flog_warn(
1005 EC_OSPF_TE_UNEXPECTED,
1006 "MPLS-TE (%s): Cannot refer to OSPF from OI(%s)?",
1007 __func__, IF_NAME(oi));
1008 return;
1009 }
1010
1011 /* Keep Area information in combination with SR info. */
1012 lp->area = oi->area;
1013
1014 /* Keep interface MPLS-TE status */
1015 lp->flags = HAS_LINK_PARAMS(oi->ifp);
1016
1017 /*
1018 * The Link ID is identical to the contents of the Link ID field
1019 * in the Router LSA for these link types.
1020 */
1021 switch (oi->state) {
1022 case ISM_PointToPoint:
1023 /* Set Link ID with neighbor Router ID */
1024 set_linkparams_link_id(lp, nbr->router_id);
1025 /* Set Remote IP address */
1026 set_linkparams_rmtif_ipaddr(lp, nbr->address.u.prefix4);
1027 break;
1028
1029 case ISM_DR:
1030 case ISM_DROther:
1031 case ISM_Backup:
1032 /* Set Link ID with the Designated Router ID */
1033 set_linkparams_link_id(lp, DR(oi));
1034 break;
1035
1036 default:
1037 /* State is undefined: Flush LSA if engaged */
1038 if (OspfMplsTE.enabled &&
1039 CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1040 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
1041 return;
1042 }
1043
1044 if (IS_DEBUG_OSPF_TE)
1045 zlog_debug(
1046 "MPLS-TE (%s): Add Link-ID %s for interface %s ",
1047 __func__, inet_ntoa(lp->link_id.value), oi->ifp->name);
1048
1049 /* Try to Schedule LSA */
1050 if (OspfMplsTE.enabled) {
1051 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1052 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1053 else
1054 ospf_mpls_te_lsa_schedule(lp, REORIGINATE_THIS_LSA);
1055 }
1056 return;
1057 }
1058
1059 /*------------------------------------------------------------------------*
1060 * Followings are OSPF protocol processing functions for MPLS-TE.
1061 *------------------------------------------------------------------------*/
1062
1063 static void build_tlv_header(struct stream *s, struct tlv_header *tlvh)
1064 {
1065 stream_put(s, tlvh, sizeof(struct tlv_header));
1066 return;
1067 }
1068
1069 static void build_router_tlv(struct stream *s)
1070 {
1071 struct tlv_header *tlvh = &OspfMplsTE.router_addr.header;
1072 if (ntohs(tlvh->type) != 0) {
1073 build_tlv_header(s, tlvh);
1074 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
1075 }
1076 return;
1077 }
1078
1079 static void build_link_subtlv(struct stream *s, struct tlv_header *tlvh)
1080 {
1081
1082 if ((tlvh != NULL) && (ntohs(tlvh->type) != 0)) {
1083 build_tlv_header(s, tlvh);
1084 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
1085 }
1086 return;
1087 }
1088
1089 static void build_link_tlv(struct stream *s, struct mpls_te_link *lp)
1090 {
1091 set_linkparams_link_header(lp);
1092 build_tlv_header(s, &lp->link_header.header);
1093
1094 build_link_subtlv(s, &lp->link_type.header);
1095 build_link_subtlv(s, &lp->link_id.header);
1096 build_link_subtlv(s, &lp->lclif_ipaddr.header);
1097 build_link_subtlv(s, &lp->rmtif_ipaddr.header);
1098 build_link_subtlv(s, &lp->te_metric.header);
1099 build_link_subtlv(s, &lp->max_bw.header);
1100 build_link_subtlv(s, &lp->max_rsv_bw.header);
1101 build_link_subtlv(s, &lp->unrsv_bw.header);
1102 build_link_subtlv(s, &lp->rsc_clsclr.header);
1103 build_link_subtlv(s, &lp->lrrid.header);
1104 build_link_subtlv(s, &lp->llri.header);
1105 build_link_subtlv(s, &lp->rip.header);
1106 build_link_subtlv(s, &lp->ras.header);
1107 build_link_subtlv(s, &lp->av_delay.header);
1108 build_link_subtlv(s, &lp->mm_delay.header);
1109 build_link_subtlv(s, &lp->delay_var.header);
1110 build_link_subtlv(s, &lp->pkt_loss.header);
1111 build_link_subtlv(s, &lp->res_bw.header);
1112 build_link_subtlv(s, &lp->ava_bw.header);
1113 build_link_subtlv(s, &lp->use_bw.header);
1114
1115 return;
1116 }
1117
1118 static void ospf_mpls_te_lsa_body_set(struct stream *s, struct mpls_te_link *lp)
1119 {
1120 /*
1121 * The router address TLV is type 1, and ...
1122 * It must appear in exactly one
1123 * Traffic Engineering LSA originated by a router.
1124 */
1125 build_router_tlv(s);
1126
1127 /*
1128 * Only one Link TLV shall be carried in each LSA, allowing for fine
1129 * granularity changes in topology.
1130 */
1131 build_link_tlv(s, lp);
1132 return;
1133 }
1134
1135 /* Create new opaque-LSA. */
1136 static struct ospf_lsa *ospf_mpls_te_lsa_new(struct ospf *ospf,
1137 struct ospf_area *area,
1138 struct mpls_te_link *lp)
1139 {
1140 struct stream *s;
1141 struct lsa_header *lsah;
1142 struct ospf_lsa *new = NULL;
1143 uint8_t options, lsa_type = 0;
1144 struct in_addr lsa_id;
1145 uint32_t tmp;
1146 uint16_t length;
1147
1148 /* Create a stream for LSA. */
1149 s = stream_new(OSPF_MAX_LSA_SIZE);
1150 lsah = (struct lsa_header *)STREAM_DATA(s);
1151
1152 options = OSPF_OPTION_O; /* Don't forget this :-) */
1153
1154 /* Set opaque-LSA header fields depending of the type of RFC */
1155 if (IS_INTER_AS(lp->type)) {
1156 if (IS_FLOOD_AS(lp->type)) {
1157 /* Enable AS external as we flood Inter-AS with Opaque
1158 * Type 11
1159 */
1160 options |= OSPF_OPTION_E;
1161 lsa_type = OSPF_OPAQUE_AS_LSA;
1162 } else {
1163 options |= LSA_OPTIONS_GET(
1164 area); /* Get area default option */
1165 options |= LSA_OPTIONS_NSSA_GET(area);
1166 lsa_type = OSPF_OPAQUE_AREA_LSA;
1167 }
1168 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1169 lsa_id.s_addr = htonl(tmp);
1170
1171 if (!ospf) {
1172 stream_free(s);
1173 return NULL;
1174 }
1175
1176 lsa_header_set(s, options, lsa_type, lsa_id, ospf->router_id);
1177 } else {
1178 options |= LSA_OPTIONS_GET(area); /* Get area default option */
1179 options |= LSA_OPTIONS_NSSA_GET(area);
1180 lsa_type = OSPF_OPAQUE_AREA_LSA;
1181 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1182 lp->instance);
1183 lsa_id.s_addr = htonl(tmp);
1184 lsa_header_set(s, options, lsa_type, lsa_id,
1185 area->ospf->router_id);
1186 }
1187
1188 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
1189 zlog_debug(
1190 "LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance",
1191 lsa_type, inet_ntoa(lsa_id));
1192
1193 /* Set opaque-LSA body fields. */
1194 ospf_mpls_te_lsa_body_set(s, lp);
1195
1196 /* Set length. */
1197 length = stream_get_endp(s);
1198 lsah->length = htons(length);
1199
1200 /* Now, create an OSPF LSA instance. */
1201 new = ospf_lsa_new_and_data(length);
1202
1203 new->vrf_id = ospf->vrf_id;
1204 if (area && area->ospf)
1205 new->vrf_id = area->ospf->vrf_id;
1206 new->area = area;
1207 SET_FLAG(new->flags, OSPF_LSA_SELF);
1208 memcpy(new->data, lsah, length);
1209 stream_free(s);
1210
1211 return new;
1212 }
1213
1214 static int ospf_mpls_te_lsa_originate1(struct ospf_area *area,
1215 struct mpls_te_link *lp)
1216 {
1217 struct ospf_lsa *new = NULL;
1218 int rc = -1;
1219
1220 /* Create new Opaque-LSA/MPLS-TE instance. */
1221 new = ospf_mpls_te_lsa_new(area->ospf, area, lp);
1222 if (new == NULL) {
1223 flog_warn(
1224 EC_OSPF_TE_UNEXPECTED,
1225 "ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?");
1226 return rc;
1227 }
1228
1229 /* Install this LSA into LSDB. */
1230 if (ospf_lsa_install(area->ospf, NULL /*oi*/, new) == NULL) {
1231 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
1232 "ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?");
1233 ospf_lsa_unlock(&new);
1234 return rc;
1235 }
1236
1237 /* Now this link-parameter entry has associated LSA. */
1238 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1239 /* Update new LSA origination count. */
1240 area->ospf->lsa_originate_count++;
1241
1242 /* Flood new LSA through area. */
1243 ospf_flood_through_area(area, NULL /*nbr*/, new);
1244
1245 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1246 char area_id[INET_ADDRSTRLEN];
1247 strlcpy(area_id, inet_ntoa(area->area_id), sizeof(area_id));
1248 zlog_debug(
1249 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)",
1250 new->data->type, inet_ntoa(new->data->id), area_id,
1251 lp->ifp->name);
1252 ospf_lsa_header_dump(new->data);
1253 }
1254
1255 rc = 0;
1256 return rc;
1257 }
1258
1259 static int ospf_mpls_te_lsa_originate_area(void *arg)
1260 {
1261 struct ospf_area *area = (struct ospf_area *)arg;
1262 struct listnode *node, *nnode;
1263 struct mpls_te_link *lp;
1264 int rc = -1;
1265
1266 if (!OspfMplsTE.enabled) {
1267 zlog_info(
1268 "ospf_mpls_te_lsa_originate_area: MPLS-TE is disabled now.");
1269 rc = 0; /* This is not an error case. */
1270 return rc;
1271 }
1272
1273 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1274 /* Process only enabled LSA with area scope flooding */
1275 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1276 || IS_FLOOD_AS(lp->type))
1277 continue;
1278
1279 if (lp->area == NULL)
1280 continue;
1281
1282 if (!IPV4_ADDR_SAME(&lp->area->area_id, &area->area_id))
1283 continue;
1284
1285 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1286 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1287 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
1288 zlog_info(
1289 "OSPF MPLS-TE (ospf_mpls_te_lsa_originate_area): Refresh instead of Originate");
1290 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1291 }
1292 continue;
1293 }
1294
1295 if (!is_mandated_params_set(lp)) {
1296 zlog_info(
1297 "ospf_mpls_te_lsa_originate_area: Link(%s) lacks some mandated MPLS-TE parameters.",
1298 lp->ifp ? lp->ifp->name : "?");
1299 continue;
1300 }
1301
1302 /* Ok, let's try to originate an LSA for this area and Link. */
1303 if (IS_DEBUG_OSPF_TE)
1304 zlog_debug(
1305 "MPLS-TE(ospf_mpls_te_lsa_originate_area) Let's finally reoriginate the LSA %d through the Area %s for Link %s",
1306 lp->instance, inet_ntoa(area->area_id),
1307 lp->ifp ? lp->ifp->name : "?");
1308 if (ospf_mpls_te_lsa_originate1(area, lp) != 0)
1309 return rc;
1310 }
1311
1312 rc = 0;
1313 return rc;
1314 }
1315
1316 static int ospf_mpls_te_lsa_originate2(struct ospf *top,
1317 struct mpls_te_link *lp)
1318 {
1319 struct ospf_lsa *new;
1320 int rc = -1;
1321
1322 /* Create new Opaque-LSA/Inter-AS instance. */
1323 new = ospf_mpls_te_lsa_new(top, NULL, lp);
1324 if (new == NULL) {
1325 flog_warn(
1326 EC_OSPF_LSA_UNEXPECTED,
1327 "ospf_mpls_te_lsa_originate2: ospf_router_info_lsa_new() ?");
1328 return rc;
1329 }
1330 new->vrf_id = top->vrf_id;
1331
1332 /* Install this LSA into LSDB. */
1333 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1334 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
1335 "ospf_mpls_te_lsa_originate2: ospf_lsa_install() ?");
1336 ospf_lsa_unlock(&new);
1337 return rc;
1338 }
1339
1340 /* Now this Router Info parameter entry has associated LSA. */
1341 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1342 /* Update new LSA origination count. */
1343 top->lsa_originate_count++;
1344
1345 /* Flood new LSA through AS. */
1346 ospf_flood_through_as(top, NULL /*nbr */, new);
1347
1348 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1349 zlog_debug(
1350 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1351 new->data->type, inet_ntoa(new->data->id));
1352 ospf_lsa_header_dump(new->data);
1353 }
1354
1355 rc = 0;
1356 return rc;
1357 }
1358
1359 static int ospf_mpls_te_lsa_originate_as(void *arg)
1360 {
1361 struct ospf *top;
1362 struct ospf_area *area;
1363 struct listnode *node, *nnode;
1364 struct mpls_te_link *lp;
1365 int rc = -1;
1366
1367 if ((!OspfMplsTE.enabled) || (OspfMplsTE.inter_as == Off)) {
1368 zlog_info(
1369 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1370 rc = 0; /* This is not an error case. */
1371 return rc;
1372 }
1373
1374 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1375 /* Process only enabled INTER_AS Links or Pseudo-Links */
1376 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1377 || !IS_INTER_AS(lp->type))
1378 continue;
1379
1380 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1381 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1382 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
1383 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1384 }
1385 continue;
1386 }
1387
1388 if (!is_mandated_params_set(lp)) {
1389 flog_warn(
1390 EC_OSPF_TE_UNEXPECTED,
1391 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1392 lp->ifp ? lp->ifp->name : "?");
1393 continue;
1394 }
1395
1396 /* Ok, let's try to originate an LSA for this AS and Link. */
1397 if (IS_DEBUG_OSPF_TE)
1398 zlog_debug(
1399 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1400 lp->instance,
1401 IS_FLOOD_AS(lp->type) ? "AS" : "Area",
1402 lp->ifp ? lp->ifp->name : "Unknown");
1403
1404 if (IS_FLOOD_AS(lp->type)) {
1405 top = (struct ospf *)arg;
1406 ospf_mpls_te_lsa_originate2(top, lp);
1407 } else {
1408 area = (struct ospf_area *)arg;
1409 ospf_mpls_te_lsa_originate1(area, lp);
1410 }
1411 }
1412
1413 rc = 0;
1414 return rc;
1415 }
1416
1417 static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa)
1418 {
1419 struct mpls_te_link *lp;
1420 struct ospf_area *area = lsa->area;
1421 struct ospf *top;
1422 struct ospf_lsa *new = NULL;
1423
1424 if (!OspfMplsTE.enabled) {
1425 /*
1426 * This LSA must have flushed before due to MPLS-TE status
1427 * change.
1428 * It seems a slip among routers in the routing domain.
1429 */
1430 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1431 lsa->data->ls_age =
1432 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1433 }
1434
1435 /* At first, resolve lsa/lp relationship. */
1436 if ((lp = lookup_linkparams_by_instance(lsa)) == NULL) {
1437 flog_warn(EC_OSPF_TE_UNEXPECTED,
1438 "ospf_mpls_te_lsa_refresh: Invalid parameter?");
1439 lsa->data->ls_age =
1440 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1441 ospf_opaque_lsa_flush_schedule(lsa);
1442 return NULL;
1443 }
1444
1445 /* Check if lp was not disable in the interval */
1446 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)) {
1447 flog_warn(
1448 EC_OSPF_TE_UNEXPECTED,
1449 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1450 lsa->data->ls_age =
1451 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1452 }
1453
1454 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1455 if (IS_LSA_MAXAGE(lsa)) {
1456 UNSET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1457 ospf_opaque_lsa_flush_schedule(lsa);
1458 return NULL;
1459 }
1460 top = ospf_lookup_by_vrf_id(lsa->vrf_id);
1461 /* Create new Opaque-LSA/MPLS-TE instance. */
1462 new = ospf_mpls_te_lsa_new(top, area, lp);
1463 if (new == NULL) {
1464 flog_warn(EC_OSPF_TE_UNEXPECTED,
1465 "ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?");
1466 return NULL;
1467 }
1468 new->data->ls_seqnum = lsa_seqnum_increment(lsa);
1469
1470 /* Install this LSA into LSDB. */
1471 /* Given "lsa" will be freed in the next function. */
1472 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1473 * ospf_lookup() to get ospf instance */
1474 if (area)
1475 top = area->ospf;
1476
1477 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1478 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
1479 "ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?");
1480 ospf_lsa_unlock(&new);
1481 return NULL;
1482 }
1483
1484 /* Flood updated LSA through AS or Area depending of the RFC of the link
1485 */
1486 if (IS_FLOOD_AS(lp->type))
1487 ospf_flood_through_as(top, NULL, new);
1488 else
1489 ospf_flood_through_area(area, NULL /*nbr*/, new);
1490
1491 /* Debug logging. */
1492 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1493 zlog_debug("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE",
1494 new->data->type, inet_ntoa(new->data->id));
1495 ospf_lsa_header_dump(new->data);
1496 }
1497
1498 return new;
1499 }
1500
1501 void ospf_mpls_te_lsa_schedule(struct mpls_te_link *lp, enum lsa_opcode opcode)
1502 {
1503 struct ospf_lsa lsa;
1504 struct lsa_header lsah;
1505 struct ospf *top;
1506 uint32_t tmp;
1507
1508 memset(&lsa, 0, sizeof(lsa));
1509 memset(&lsah, 0, sizeof(lsah));
1510 top = ospf_lookup_by_vrf_id(VRF_DEFAULT);
1511
1512 /* Check if the pseudo link is ready to flood */
1513 if (!(CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE))
1514 || !(IS_FLOOD_AREA(lp->type) || IS_FLOOD_AS(lp->type))) {
1515 return;
1516 }
1517
1518 lsa.area = lp->area;
1519 lsa.data = &lsah;
1520 if (IS_FLOOD_AS(lp->type)) {
1521 lsah.type = OSPF_OPAQUE_AS_LSA;
1522 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1523 lsah.id.s_addr = htonl(tmp);
1524 } else {
1525 lsah.type = OSPF_OPAQUE_AREA_LSA;
1526 if (IS_INTER_AS(lp->type)) {
1527 /* Set the area context if not know */
1528 if (lp->area == NULL)
1529 lp->area = ospf_area_lookup_by_area_id(
1530 top, OspfMplsTE.interas_areaid);
1531 /* Unable to set the area context. Abort! */
1532 if (lp->area == NULL) {
1533 flog_warn(
1534 EC_OSPF_TE_UNEXPECTED,
1535 "MPLS-TE(ospf_mpls_te_lsa_schedule) Area context is null. Abort !");
1536 return;
1537 }
1538 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA,
1539 lp->instance);
1540 } else
1541 tmp = SET_OPAQUE_LSID(
1542 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1543 lp->instance);
1544 lsah.id.s_addr = htonl(tmp);
1545 }
1546
1547 switch (opcode) {
1548 case REORIGINATE_THIS_LSA:
1549 if (IS_FLOOD_AS(lp->type)) {
1550 ospf_opaque_lsa_reoriginate_schedule(
1551 (void *)top, OSPF_OPAQUE_AS_LSA,
1552 OPAQUE_TYPE_INTER_AS_LSA);
1553 break;
1554 }
1555
1556 if (IS_FLOOD_AREA(lp->type)) {
1557 if (IS_INTER_AS(lp->type))
1558 ospf_opaque_lsa_reoriginate_schedule(
1559 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1560 OPAQUE_TYPE_INTER_AS_LSA);
1561 else
1562 ospf_opaque_lsa_reoriginate_schedule(
1563 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1564 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
1565 break;
1566 }
1567 break;
1568 case REFRESH_THIS_LSA:
1569 ospf_opaque_lsa_refresh_schedule(&lsa);
1570 break;
1571 case FLUSH_THIS_LSA:
1572 /* Reset Activity flag */
1573 lp->flags = LPFLG_LSA_INACTIVE;
1574 ospf_opaque_lsa_flush_schedule(&lsa);
1575 break;
1576 default:
1577 flog_warn(EC_OSPF_TE_UNEXPECTED,
1578 "ospf_mpls_te_lsa_schedule: Unknown opcode (%u)",
1579 opcode);
1580 break;
1581 }
1582
1583 return;
1584 }
1585
1586
1587 /*------------------------------------------------------------------------*
1588 * Followings are vty session control functions.
1589 *------------------------------------------------------------------------*/
1590
1591 static uint16_t show_vty_router_addr(struct vty *vty, struct tlv_header *tlvh)
1592 {
1593 struct te_tlv_router_addr *top = (struct te_tlv_router_addr *)tlvh;
1594
1595 if (vty != NULL)
1596 vty_out(vty, " Router-Address: %s\n", inet_ntoa(top->value));
1597 else
1598 zlog_debug(" Router-Address: %s", inet_ntoa(top->value));
1599
1600 return TLV_SIZE(tlvh);
1601 }
1602
1603 static uint16_t show_vty_link_header(struct vty *vty, struct tlv_header *tlvh)
1604 {
1605 struct te_tlv_link *top = (struct te_tlv_link *)tlvh;
1606
1607 if (vty != NULL)
1608 vty_out(vty, " Link: %u octets of data\n",
1609 ntohs(top->header.length));
1610 else
1611 zlog_debug(" Link: %u octets of data",
1612 ntohs(top->header.length));
1613
1614 return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */
1615 }
1616
1617 static uint16_t show_vty_link_subtlv_link_type(struct vty *vty,
1618 struct tlv_header *tlvh)
1619 {
1620 struct te_link_subtlv_link_type *top;
1621 const char *cp = "Unknown";
1622
1623 top = (struct te_link_subtlv_link_type *)tlvh;
1624 switch (top->link_type.value) {
1625 case LINK_TYPE_SUBTLV_VALUE_PTP:
1626 cp = "Point-to-point";
1627 break;
1628 case LINK_TYPE_SUBTLV_VALUE_MA:
1629 cp = "Multiaccess";
1630 break;
1631 default:
1632 break;
1633 }
1634
1635 if (vty != NULL)
1636 vty_out(vty, " Link-Type: %s (%u)\n", cp,
1637 top->link_type.value);
1638 else
1639 zlog_debug(" Link-Type: %s (%u)", cp, top->link_type.value);
1640
1641 return TLV_SIZE(tlvh);
1642 }
1643
1644 static uint16_t show_vty_link_subtlv_link_id(struct vty *vty,
1645 struct tlv_header *tlvh)
1646 {
1647 struct te_link_subtlv_link_id *top;
1648
1649 top = (struct te_link_subtlv_link_id *)tlvh;
1650 if (vty != NULL)
1651 vty_out(vty, " Link-ID: %s\n", inet_ntoa(top->value));
1652 else
1653 zlog_debug(" Link-ID: %s", inet_ntoa(top->value));
1654
1655 return TLV_SIZE(tlvh);
1656 }
1657
1658 static uint16_t show_vty_link_subtlv_lclif_ipaddr(struct vty *vty,
1659 struct tlv_header *tlvh)
1660 {
1661 struct te_link_subtlv_lclif_ipaddr *top;
1662 int i, n;
1663
1664 top = (struct te_link_subtlv_lclif_ipaddr *)tlvh;
1665 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1666
1667 if (vty != NULL)
1668 vty_out(vty, " Local Interface IP Address(es): %d\n", n);
1669 else
1670 zlog_debug(" Local Interface IP Address(es): %d", n);
1671
1672 for (i = 0; i < n; i++) {
1673 if (vty != NULL)
1674 vty_out(vty, " #%d: %s\n", i,
1675 inet_ntoa(top->value[i]));
1676 else
1677 zlog_debug(" #%d: %s", i,
1678 inet_ntoa(top->value[i]));
1679 }
1680 return TLV_SIZE(tlvh);
1681 }
1682
1683 static uint16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty *vty,
1684 struct tlv_header *tlvh)
1685 {
1686 struct te_link_subtlv_rmtif_ipaddr *top;
1687 int i, n;
1688
1689 top = (struct te_link_subtlv_rmtif_ipaddr *)tlvh;
1690 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1691 if (vty != NULL)
1692 vty_out(vty, " Remote Interface IP Address(es): %d\n", n);
1693 else
1694 zlog_debug(" Remote Interface IP Address(es): %d", n);
1695
1696 for (i = 0; i < n; i++) {
1697 if (vty != NULL)
1698 vty_out(vty, " #%d: %s\n", i,
1699 inet_ntoa(top->value[i]));
1700 else
1701 zlog_debug(" #%d: %s", i,
1702 inet_ntoa(top->value[i]));
1703 }
1704 return TLV_SIZE(tlvh);
1705 }
1706
1707 static uint16_t show_vty_link_subtlv_te_metric(struct vty *vty,
1708 struct tlv_header *tlvh)
1709 {
1710 struct te_link_subtlv_te_metric *top;
1711
1712 top = (struct te_link_subtlv_te_metric *)tlvh;
1713 if (vty != NULL)
1714 vty_out(vty, " Traffic Engineering Metric: %u\n",
1715 (uint32_t)ntohl(top->value));
1716 else
1717 zlog_debug(" Traffic Engineering Metric: %u",
1718 (uint32_t)ntohl(top->value));
1719
1720 return TLV_SIZE(tlvh);
1721 }
1722
1723 static uint16_t show_vty_link_subtlv_max_bw(struct vty *vty,
1724 struct tlv_header *tlvh)
1725 {
1726 struct te_link_subtlv_max_bw *top;
1727 float fval;
1728
1729 top = (struct te_link_subtlv_max_bw *)tlvh;
1730 fval = ntohf(top->value);
1731
1732 if (vty != NULL)
1733 vty_out(vty, " Maximum Bandwidth: %g (Bytes/sec)\n", fval);
1734 else
1735 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval);
1736
1737 return TLV_SIZE(tlvh);
1738 }
1739
1740 static uint16_t show_vty_link_subtlv_max_rsv_bw(struct vty *vty,
1741 struct tlv_header *tlvh)
1742 {
1743 struct te_link_subtlv_max_rsv_bw *top;
1744 float fval;
1745
1746 top = (struct te_link_subtlv_max_rsv_bw *)tlvh;
1747 fval = ntohf(top->value);
1748
1749 if (vty != NULL)
1750 vty_out(vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1751 fval);
1752 else
1753 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1754 fval);
1755
1756 return TLV_SIZE(tlvh);
1757 }
1758
1759 static uint16_t show_vty_link_subtlv_unrsv_bw(struct vty *vty,
1760 struct tlv_header *tlvh)
1761 {
1762 struct te_link_subtlv_unrsv_bw *top;
1763 float fval1, fval2;
1764 int i;
1765
1766 top = (struct te_link_subtlv_unrsv_bw *)tlvh;
1767 if (vty != NULL)
1768 vty_out(vty,
1769 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1770 else
1771 zlog_debug(
1772 " Unreserved Bandwidth per Class Type in Byte/s:");
1773 for (i = 0; i < MAX_CLASS_TYPE; i += 2) {
1774 fval1 = ntohf(top->value[i]);
1775 fval2 = ntohf(top->value[i + 1]);
1776
1777 if (vty != NULL)
1778 vty_out(vty,
1779 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1780 i, fval1, i + 1, fval2);
1781 else
1782 zlog_debug(
1783 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1784 i, fval1, i + 1, fval2);
1785 }
1786
1787 return TLV_SIZE(tlvh);
1788 }
1789
1790 static uint16_t show_vty_link_subtlv_rsc_clsclr(struct vty *vty,
1791 struct tlv_header *tlvh)
1792 {
1793 struct te_link_subtlv_rsc_clsclr *top;
1794
1795 top = (struct te_link_subtlv_rsc_clsclr *)tlvh;
1796 if (vty != NULL)
1797 vty_out(vty, " Resource class/color: 0x%x\n",
1798 (uint32_t)ntohl(top->value));
1799 else
1800 zlog_debug(" Resource Class/Color: 0x%x",
1801 (uint32_t)ntohl(top->value));
1802
1803 return TLV_SIZE(tlvh);
1804 }
1805
1806 static uint16_t show_vty_link_subtlv_lrrid(struct vty *vty,
1807 struct tlv_header *tlvh)
1808 {
1809 struct te_link_subtlv_lrrid *top;
1810
1811 top = (struct te_link_subtlv_lrrid *)tlvh;
1812
1813 if (vty != NULL) {
1814 vty_out(vty, " Local TE Router ID: %s\n",
1815 inet_ntoa(top->local));
1816 vty_out(vty, " Remote TE Router ID: %s\n",
1817 inet_ntoa(top->remote));
1818 } else {
1819 zlog_debug(" Local TE Router ID: %s",
1820 inet_ntoa(top->local));
1821 zlog_debug(" Remote TE Router ID: %s",
1822 inet_ntoa(top->remote));
1823 }
1824
1825 return TLV_SIZE(tlvh);
1826 }
1827
1828 static uint16_t show_vty_link_subtlv_llri(struct vty *vty,
1829 struct tlv_header *tlvh)
1830 {
1831 struct te_link_subtlv_llri *top;
1832
1833 top = (struct te_link_subtlv_llri *)tlvh;
1834
1835 if (vty != NULL) {
1836 vty_out(vty, " Link Local ID: %d\n",
1837 (uint32_t)ntohl(top->local));
1838 vty_out(vty, " Link Remote ID: %d\n",
1839 (uint32_t)ntohl(top->remote));
1840 } else {
1841 zlog_debug(" Link Local ID: %d",
1842 (uint32_t)ntohl(top->local));
1843 zlog_debug(" Link Remote ID: %d",
1844 (uint32_t)ntohl(top->remote));
1845 }
1846
1847 return TLV_SIZE(tlvh);
1848 }
1849
1850 static uint16_t show_vty_link_subtlv_rip(struct vty *vty,
1851 struct tlv_header *tlvh)
1852 {
1853 struct te_link_subtlv_rip *top;
1854
1855 top = (struct te_link_subtlv_rip *)tlvh;
1856
1857 if (vty != NULL)
1858 vty_out(vty, " Inter-AS TE Remote ASBR IP address: %s\n",
1859 inet_ntoa(top->value));
1860 else
1861 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1862 inet_ntoa(top->value));
1863
1864 return TLV_SIZE(tlvh);
1865 }
1866
1867 static uint16_t show_vty_link_subtlv_ras(struct vty *vty,
1868 struct tlv_header *tlvh)
1869 {
1870 struct te_link_subtlv_ras *top;
1871
1872 top = (struct te_link_subtlv_ras *)tlvh;
1873
1874 if (vty != NULL)
1875 vty_out(vty, " Inter-AS TE Remote AS number: %u\n",
1876 ntohl(top->value));
1877 else
1878 zlog_debug(" Inter-AS TE Remote AS number: %u",
1879 ntohl(top->value));
1880
1881 return TLV_SIZE(tlvh);
1882 }
1883
1884 static uint16_t show_vty_link_subtlv_av_delay(struct vty *vty,
1885 struct tlv_header *tlvh)
1886 {
1887 struct te_link_subtlv_av_delay *top;
1888 uint32_t delay;
1889 uint32_t anomalous;
1890
1891 top = (struct te_link_subtlv_av_delay *)tlvh;
1892 delay = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1893 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
1894
1895 if (vty != NULL)
1896 vty_out(vty, " %s Average Link Delay: %d (micro-sec)\n",
1897 anomalous ? "Anomalous" : "Normal", delay);
1898 else
1899 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1900 anomalous ? "Anomalous" : "Normal", delay);
1901
1902 return TLV_SIZE(tlvh);
1903 }
1904
1905 static uint16_t show_vty_link_subtlv_mm_delay(struct vty *vty,
1906 struct tlv_header *tlvh)
1907 {
1908 struct te_link_subtlv_mm_delay *top;
1909 uint32_t low, high;
1910 uint32_t anomalous;
1911
1912 top = (struct te_link_subtlv_mm_delay *)tlvh;
1913 low = (uint32_t)ntohl(top->low) & TE_EXT_MASK;
1914 anomalous = (uint32_t)ntohl(top->low) & TE_EXT_ANORMAL;
1915 high = (uint32_t)ntohl(top->high);
1916
1917 if (vty != NULL)
1918 vty_out(vty, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1919 anomalous ? "Anomalous" : "Normal", low, high);
1920 else
1921 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1922 anomalous ? "Anomalous" : "Normal", low, high);
1923
1924 return TLV_SIZE(tlvh);
1925 }
1926
1927 static uint16_t show_vty_link_subtlv_delay_var(struct vty *vty,
1928 struct tlv_header *tlvh)
1929 {
1930 struct te_link_subtlv_delay_var *top;
1931 uint32_t jitter;
1932
1933 top = (struct te_link_subtlv_delay_var *)tlvh;
1934 jitter = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1935
1936 if (vty != NULL)
1937 vty_out(vty, " Delay Variation: %d (micro-sec)\n", jitter);
1938 else
1939 zlog_debug(" Delay Variation: %d (micro-sec)", jitter);
1940
1941 return TLV_SIZE(tlvh);
1942 }
1943
1944 static uint16_t show_vty_link_subtlv_pkt_loss(struct vty *vty,
1945 struct tlv_header *tlvh)
1946 {
1947 struct te_link_subtlv_pkt_loss *top;
1948 uint32_t loss;
1949 uint32_t anomalous;
1950 float fval;
1951
1952 top = (struct te_link_subtlv_pkt_loss *)tlvh;
1953 loss = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1954 fval = (float)(loss * LOSS_PRECISION);
1955 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
1956
1957 if (vty != NULL)
1958 vty_out(vty, " %s Link Loss: %g (%%)\n",
1959 anomalous ? "Anomalous" : "Normal", fval);
1960 else
1961 zlog_debug(" %s Link Loss: %g (%%)",
1962 anomalous ? "Anomalous" : "Normal", fval);
1963
1964 return TLV_SIZE(tlvh);
1965 }
1966
1967 static uint16_t show_vty_link_subtlv_res_bw(struct vty *vty,
1968 struct tlv_header *tlvh)
1969 {
1970 struct te_link_subtlv_res_bw *top;
1971 float fval;
1972
1973 top = (struct te_link_subtlv_res_bw *)tlvh;
1974 fval = ntohf(top->value);
1975
1976 if (vty != NULL)
1977 vty_out(vty,
1978 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1979 fval);
1980 else
1981 zlog_debug(
1982 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1983 fval);
1984
1985 return TLV_SIZE(tlvh);
1986 }
1987
1988 static uint16_t show_vty_link_subtlv_ava_bw(struct vty *vty,
1989 struct tlv_header *tlvh)
1990 {
1991 struct te_link_subtlv_ava_bw *top;
1992 float fval;
1993
1994 top = (struct te_link_subtlv_ava_bw *)tlvh;
1995 fval = ntohf(top->value);
1996
1997 if (vty != NULL)
1998 vty_out(vty,
1999 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
2000 fval);
2001 else
2002 zlog_debug(
2003 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
2004 fval);
2005
2006 return TLV_SIZE(tlvh);
2007 }
2008
2009 static uint16_t show_vty_link_subtlv_use_bw(struct vty *vty,
2010 struct tlv_header *tlvh)
2011 {
2012 struct te_link_subtlv_use_bw *top;
2013 float fval;
2014
2015 top = (struct te_link_subtlv_use_bw *)tlvh;
2016 fval = ntohf(top->value);
2017
2018 if (vty != NULL)
2019 vty_out(vty,
2020 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2021 fval);
2022 else
2023 zlog_debug(
2024 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2025 fval);
2026
2027 return TLV_SIZE(tlvh);
2028 }
2029
2030 static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh)
2031 {
2032 if (vty != NULL)
2033 vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2034 ntohs(tlvh->type), ntohs(tlvh->length));
2035 else
2036 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2037 ntohs(tlvh->type), ntohs(tlvh->length));
2038
2039 return TLV_SIZE(tlvh);
2040 }
2041
2042 static uint16_t ospf_mpls_te_show_link_subtlv(struct vty *vty,
2043 struct tlv_header *tlvh0,
2044 uint16_t subtotal, uint16_t total)
2045 {
2046 struct tlv_header *tlvh;
2047 uint16_t sum = subtotal;
2048
2049 for (tlvh = tlvh0; sum < total;
2050 tlvh = TLV_HDR_NEXT(tlvh)) {
2051 switch (ntohs(tlvh->type)) {
2052 case TE_LINK_SUBTLV_LINK_TYPE:
2053 sum += show_vty_link_subtlv_link_type(vty, tlvh);
2054 break;
2055 case TE_LINK_SUBTLV_LINK_ID:
2056 sum += show_vty_link_subtlv_link_id(vty, tlvh);
2057 break;
2058 case TE_LINK_SUBTLV_LCLIF_IPADDR:
2059 sum += show_vty_link_subtlv_lclif_ipaddr(vty, tlvh);
2060 break;
2061 case TE_LINK_SUBTLV_RMTIF_IPADDR:
2062 sum += show_vty_link_subtlv_rmtif_ipaddr(vty, tlvh);
2063 break;
2064 case TE_LINK_SUBTLV_TE_METRIC:
2065 sum += show_vty_link_subtlv_te_metric(vty, tlvh);
2066 break;
2067 case TE_LINK_SUBTLV_MAX_BW:
2068 sum += show_vty_link_subtlv_max_bw(vty, tlvh);
2069 break;
2070 case TE_LINK_SUBTLV_MAX_RSV_BW:
2071 sum += show_vty_link_subtlv_max_rsv_bw(vty, tlvh);
2072 break;
2073 case TE_LINK_SUBTLV_UNRSV_BW:
2074 sum += show_vty_link_subtlv_unrsv_bw(vty, tlvh);
2075 break;
2076 case TE_LINK_SUBTLV_RSC_CLSCLR:
2077 sum += show_vty_link_subtlv_rsc_clsclr(vty, tlvh);
2078 break;
2079 case TE_LINK_SUBTLV_LRRID:
2080 sum += show_vty_link_subtlv_lrrid(vty, tlvh);
2081 break;
2082 case TE_LINK_SUBTLV_LLRI:
2083 sum += show_vty_link_subtlv_llri(vty, tlvh);
2084 break;
2085 case TE_LINK_SUBTLV_RIP:
2086 sum += show_vty_link_subtlv_rip(vty, tlvh);
2087 break;
2088 case TE_LINK_SUBTLV_RAS:
2089 sum += show_vty_link_subtlv_ras(vty, tlvh);
2090 break;
2091 case TE_LINK_SUBTLV_AV_DELAY:
2092 sum += show_vty_link_subtlv_av_delay(vty, tlvh);
2093 break;
2094 case TE_LINK_SUBTLV_MM_DELAY:
2095 sum += show_vty_link_subtlv_mm_delay(vty, tlvh);
2096 break;
2097 case TE_LINK_SUBTLV_DELAY_VAR:
2098 sum += show_vty_link_subtlv_delay_var(vty, tlvh);
2099 break;
2100 case TE_LINK_SUBTLV_PKT_LOSS:
2101 sum += show_vty_link_subtlv_pkt_loss(vty, tlvh);
2102 break;
2103 case TE_LINK_SUBTLV_RES_BW:
2104 sum += show_vty_link_subtlv_res_bw(vty, tlvh);
2105 break;
2106 case TE_LINK_SUBTLV_AVA_BW:
2107 sum += show_vty_link_subtlv_ava_bw(vty, tlvh);
2108 break;
2109 case TE_LINK_SUBTLV_USE_BW:
2110 sum += show_vty_link_subtlv_use_bw(vty, tlvh);
2111 break;
2112 default:
2113 sum += show_vty_unknown_tlv(vty, tlvh);
2114 break;
2115 }
2116 }
2117 return sum;
2118 }
2119
2120 static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa)
2121 {
2122 struct lsa_header *lsah = (struct lsa_header *)lsa->data;
2123 struct tlv_header *tlvh, *next;
2124 uint16_t sum, total;
2125 uint16_t (*subfunc)(struct vty * vty, struct tlv_header * tlvh,
2126 uint16_t subtotal, uint16_t total) = NULL;
2127
2128 sum = 0;
2129 total = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE;
2130
2131 for (tlvh = TLV_HDR_TOP(lsah); sum < total;
2132 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2133 if (subfunc != NULL) {
2134 sum = (*subfunc)(vty, tlvh, sum, total);
2135 next = (struct tlv_header *)((char *)tlvh + sum);
2136 subfunc = NULL;
2137 continue;
2138 }
2139
2140 next = NULL;
2141 switch (ntohs(tlvh->type)) {
2142 case TE_TLV_ROUTER_ADDR:
2143 sum += show_vty_router_addr(vty, tlvh);
2144 break;
2145 case TE_TLV_LINK:
2146 sum += show_vty_link_header(vty, tlvh);
2147 subfunc = ospf_mpls_te_show_link_subtlv;
2148 next = TLV_DATA(tlvh);
2149 break;
2150 default:
2151 sum += show_vty_unknown_tlv(vty, tlvh);
2152 break;
2153 }
2154 }
2155 return;
2156 }
2157
2158 static void ospf_mpls_te_config_write_router(struct vty *vty)
2159 {
2160
2161 if (OspfMplsTE.enabled) {
2162 vty_out(vty, " mpls-te on\n");
2163 vty_out(vty, " mpls-te router-address %s\n",
2164 inet_ntoa(OspfMplsTE.router_addr.value));
2165 }
2166
2167 if (OspfMplsTE.inter_as == AS)
2168 vty_out(vty, " mpls-te inter-as as\n");
2169 if (OspfMplsTE.inter_as == Area)
2170 vty_out(vty, " mpls-te inter-as area %s \n",
2171 inet_ntoa(OspfMplsTE.interas_areaid));
2172
2173 return;
2174 }
2175
2176 /*------------------------------------------------------------------------*
2177 * Followings are vty command functions.
2178 *------------------------------------------------------------------------*/
2179
2180 DEFUN (ospf_mpls_te_on,
2181 ospf_mpls_te_on_cmd,
2182 "mpls-te on",
2183 MPLS_TE_STR
2184 "Enable the MPLS-TE functionality\n")
2185 {
2186 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2187 struct listnode *node;
2188 struct mpls_te_link *lp;
2189
2190 if (OspfMplsTE.enabled)
2191 return CMD_SUCCESS;
2192
2193 if (IS_DEBUG_OSPF_EVENT)
2194 zlog_debug("MPLS-TE: OFF -> ON");
2195
2196 OspfMplsTE.enabled = true;
2197
2198 /* Reoriginate RFC3630 & RFC6827 Links */
2199 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2200 REORIGINATE_THIS_LSA);
2201
2202 /* Reoriginate LSA if INTER-AS is always on */
2203 if (OspfMplsTE.inter_as != Off) {
2204 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp)) {
2205 if (IS_INTER_AS(lp->type)) {
2206 ospf_mpls_te_lsa_schedule(lp,
2207 REORIGINATE_THIS_LSA);
2208 }
2209 }
2210 }
2211
2212 return CMD_SUCCESS;
2213 }
2214
2215 DEFUN (no_ospf_mpls_te,
2216 no_ospf_mpls_te_cmd,
2217 "no mpls-te [on]",
2218 NO_STR
2219 MPLS_TE_STR
2220 "Disable the MPLS-TE functionality\n")
2221 {
2222 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2223 struct listnode *node, *nnode;
2224 struct mpls_te_link *lp;
2225
2226 if (!OspfMplsTE.enabled)
2227 return CMD_SUCCESS;
2228
2229 if (IS_DEBUG_OSPF_EVENT)
2230 zlog_debug("MPLS-TE: ON -> OFF");
2231
2232 OspfMplsTE.enabled = false;
2233
2234 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2235 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2236 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2237
2238 return CMD_SUCCESS;
2239 }
2240
2241
2242 DEFUN (ospf_mpls_te_router_addr,
2243 ospf_mpls_te_router_addr_cmd,
2244 "mpls-te router-address A.B.C.D",
2245 MPLS_TE_STR
2246 "Stable IP address of the advertising router\n"
2247 "MPLS-TE router address in IPv4 address format\n")
2248 {
2249 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2250 int idx_ipv4 = 2;
2251 struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr;
2252 struct in_addr value;
2253
2254 if (!inet_aton(argv[idx_ipv4]->arg, &value)) {
2255 vty_out(vty, "Please specify Router-Addr by A.B.C.D\n");
2256 return CMD_WARNING;
2257 }
2258
2259 if (ntohs(ra->header.type) == 0
2260 || ntohl(ra->value.s_addr) != ntohl(value.s_addr)) {
2261 struct listnode *node, *nnode;
2262 struct mpls_te_link *lp;
2263 int need_to_reoriginate = 0;
2264
2265 set_mpls_te_router_addr(value);
2266
2267 if (!OspfMplsTE.enabled)
2268 return CMD_SUCCESS;
2269
2270 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2271 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2272 continue;
2273
2274 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
2275 need_to_reoriginate = 1;
2276 break;
2277 }
2278 }
2279
2280 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2281 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2282 continue;
2283
2284 if (need_to_reoriginate)
2285 SET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
2286 else
2287 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
2288 }
2289
2290 if (need_to_reoriginate)
2291 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2292 REORIGINATE_THIS_LSA);
2293 }
2294
2295 return CMD_SUCCESS;
2296 }
2297
2298 static int set_inter_as_mode(struct vty *vty, const char *mode_name,
2299 const char *area_id)
2300 {
2301 enum inter_as_mode mode;
2302 struct listnode *node;
2303 struct mpls_te_link *lp;
2304 int format;
2305
2306 if (OspfMplsTE.enabled) {
2307
2308 /* Read and Check inter_as mode */
2309 if (strcmp(mode_name, "as") == 0)
2310 mode = AS;
2311 else if (strcmp(mode_name, "area") == 0) {
2312 mode = Area;
2313 VTY_GET_OSPF_AREA_ID(OspfMplsTE.interas_areaid, format,
2314 area_id);
2315 } else {
2316 vty_out(vty,
2317 "Unknown mode. Please choose between as or area\n");
2318 return CMD_WARNING;
2319 }
2320
2321 if (IS_DEBUG_OSPF_EVENT)
2322 zlog_debug(
2323 "MPLS-TE: Inter-AS enable with %s flooding support",
2324 mode2text[mode]);
2325
2326 /* Register new callbacks regarding the flooding scope (AS or
2327 * Area) */
2328 if (ospf_mpls_te_register(mode) < 0) {
2329 vty_out(vty,
2330 "Internal error: Unable to register Inter-AS functions\n");
2331 return CMD_WARNING;
2332 }
2333
2334 /* Enable mode and re-originate LSA if needed */
2335 if ((OspfMplsTE.inter_as == Off)
2336 && (mode != OspfMplsTE.inter_as)) {
2337 OspfMplsTE.inter_as = mode;
2338 /* Re-originate all InterAS-TEv2 LSA */
2339 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node,
2340 lp)) {
2341 if (IS_INTER_AS(lp->type)) {
2342 if (mode == AS)
2343 lp->type |= FLOOD_AS;
2344 else
2345 lp->type |= FLOOD_AREA;
2346 ospf_mpls_te_lsa_schedule(
2347 lp, REORIGINATE_THIS_LSA);
2348 }
2349 }
2350 } else {
2351 vty_out(vty,
2352 "Please change Inter-AS support to disable first before going to mode %s\n",
2353 mode2text[mode]);
2354 return CMD_WARNING;
2355 }
2356 } else {
2357 vty_out(vty, "mpls-te has not been turned on\n");
2358 return CMD_WARNING;
2359 }
2360 return CMD_SUCCESS;
2361 }
2362
2363
2364 DEFUN (ospf_mpls_te_inter_as_as,
2365 ospf_mpls_te_inter_as_cmd,
2366 "mpls-te inter-as as",
2367 MPLS_TE_STR
2368 "Configure MPLS-TE Inter-AS support\n"
2369 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2370 {
2371 return set_inter_as_mode(vty, "as", "");
2372 }
2373
2374 DEFUN (ospf_mpls_te_inter_as_area,
2375 ospf_mpls_te_inter_as_area_cmd,
2376 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
2377 MPLS_TE_STR
2378 "Configure MPLS-TE Inter-AS support\n"
2379 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2380 "OSPF area ID in IP format\n"
2381 "OSPF area ID as decimal value\n")
2382 {
2383 int idx_ipv4_number = 3;
2384 return set_inter_as_mode(vty, "area", argv[idx_ipv4_number]->arg);
2385 }
2386
2387 DEFUN (no_ospf_mpls_te_inter_as,
2388 no_ospf_mpls_te_inter_as_cmd,
2389 "no mpls-te inter-as",
2390 NO_STR
2391 MPLS_TE_STR
2392 "Disable MPLS-TE Inter-AS support\n")
2393 {
2394
2395 struct listnode *node, *nnode;
2396 struct mpls_te_link *lp;
2397
2398 if (IS_DEBUG_OSPF_EVENT)
2399 zlog_debug("MPLS-TE: Inter-AS support OFF");
2400
2401 if ((OspfMplsTE.enabled) && (OspfMplsTE.inter_as != Off)) {
2402 /* Flush all Inter-AS LSA */
2403 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2404 if (IS_INTER_AS(lp->type)
2405 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2406 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2407
2408 /* Deregister the Callbacks for Inter-AS support */
2409 ospf_mpls_te_unregister();
2410 OspfMplsTE.inter_as = Off;
2411 }
2412
2413 return CMD_SUCCESS;
2414 }
2415
2416 DEFUN (show_ip_ospf_mpls_te_router,
2417 show_ip_ospf_mpls_te_router_cmd,
2418 "show ip ospf mpls-te router",
2419 SHOW_STR
2420 IP_STR
2421 OSPF_STR
2422 "MPLS-TE information\n"
2423 "MPLS-TE Router parameters\n")
2424 {
2425 if (OspfMplsTE.enabled) {
2426 vty_out(vty, "--- MPLS-TE router parameters ---\n");
2427
2428 if (ntohs(OspfMplsTE.router_addr.header.type) != 0)
2429 show_vty_router_addr(vty,
2430 &OspfMplsTE.router_addr.header);
2431 else
2432 vty_out(vty, " N/A\n");
2433 }
2434 return CMD_SUCCESS;
2435 }
2436
2437 static void show_mpls_te_link_sub(struct vty *vty, struct interface *ifp)
2438 {
2439 struct mpls_te_link *lp;
2440
2441 if ((OspfMplsTE.enabled) && HAS_LINK_PARAMS(ifp) && !if_is_loopback(ifp)
2442 && if_is_up(ifp)
2443 && ((lp = lookup_linkparams_by_ifp(ifp)) != NULL)) {
2444 /* Continue only if interface is not passive or support Inter-AS
2445 * TEv2 */
2446 if (!(ospf_oi_count(ifp) > 0)) {
2447 if (IS_INTER_AS(lp->type)) {
2448 vty_out(vty,
2449 "-- Inter-AS TEv2 link parameters for %s --\n",
2450 ifp->name);
2451 } else {
2452 /* MPLS-TE is not activate on this interface */
2453 /* or this interface is passive and Inter-AS
2454 * TEv2 is not activate */
2455 vty_out(vty,
2456 " %s: MPLS-TE is disabled on this interface\n",
2457 ifp->name);
2458 return;
2459 }
2460 } else {
2461 vty_out(vty, "-- MPLS-TE link parameters for %s --\n",
2462 ifp->name);
2463 }
2464
2465 if (TLV_TYPE(lp->link_type) != 0)
2466 show_vty_link_subtlv_link_type(vty,
2467 &lp->link_type.header);
2468 if (TLV_TYPE(lp->link_id) != 0)
2469 show_vty_link_subtlv_link_id(vty, &lp->link_id.header);
2470 if (TLV_TYPE(lp->lclif_ipaddr) != 0)
2471 show_vty_link_subtlv_lclif_ipaddr(
2472 vty, &lp->lclif_ipaddr.header);
2473 if (TLV_TYPE(lp->rmtif_ipaddr) != 0)
2474 show_vty_link_subtlv_rmtif_ipaddr(
2475 vty, &lp->rmtif_ipaddr.header);
2476 if (TLV_TYPE(lp->rip) != 0)
2477 show_vty_link_subtlv_rip(vty, &lp->rip.header);
2478 if (TLV_TYPE(lp->ras) != 0)
2479 show_vty_link_subtlv_ras(vty, &lp->ras.header);
2480 if (TLV_TYPE(lp->te_metric) != 0)
2481 show_vty_link_subtlv_te_metric(vty,
2482 &lp->te_metric.header);
2483 if (TLV_TYPE(lp->max_bw) != 0)
2484 show_vty_link_subtlv_max_bw(vty, &lp->max_bw.header);
2485 if (TLV_TYPE(lp->max_rsv_bw) != 0)
2486 show_vty_link_subtlv_max_rsv_bw(vty,
2487 &lp->max_rsv_bw.header);
2488 if (TLV_TYPE(lp->unrsv_bw) != 0)
2489 show_vty_link_subtlv_unrsv_bw(vty,
2490 &lp->unrsv_bw.header);
2491 if (TLV_TYPE(lp->rsc_clsclr) != 0)
2492 show_vty_link_subtlv_rsc_clsclr(vty,
2493 &lp->rsc_clsclr.header);
2494 if (TLV_TYPE(lp->av_delay) != 0)
2495 show_vty_link_subtlv_av_delay(vty,
2496 &lp->av_delay.header);
2497 if (TLV_TYPE(lp->mm_delay) != 0)
2498 show_vty_link_subtlv_mm_delay(vty,
2499 &lp->mm_delay.header);
2500 if (TLV_TYPE(lp->delay_var) != 0)
2501 show_vty_link_subtlv_delay_var(vty,
2502 &lp->delay_var.header);
2503 if (TLV_TYPE(lp->pkt_loss) != 0)
2504 show_vty_link_subtlv_pkt_loss(vty,
2505 &lp->pkt_loss.header);
2506 if (TLV_TYPE(lp->res_bw) != 0)
2507 show_vty_link_subtlv_res_bw(vty, &lp->res_bw.header);
2508 if (TLV_TYPE(lp->ava_bw) != 0)
2509 show_vty_link_subtlv_ava_bw(vty, &lp->ava_bw.header);
2510 if (TLV_TYPE(lp->use_bw) != 0)
2511 show_vty_link_subtlv_use_bw(vty, &lp->use_bw.header);
2512 vty_out(vty, "---------------\n\n");
2513 } else {
2514 vty_out(vty, " %s: MPLS-TE is disabled on this interface\n",
2515 ifp->name);
2516 }
2517
2518 return;
2519 }
2520
2521 DEFUN (show_ip_ospf_mpls_te_link,
2522 show_ip_ospf_mpls_te_link_cmd,
2523 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
2524 SHOW_STR
2525 IP_STR
2526 OSPF_STR
2527 VRF_CMD_HELP_STR
2528 "All VRFs\n"
2529 "MPLS-TE information\n"
2530 "Interface information\n"
2531 "Interface name\n")
2532 {
2533 struct vrf *vrf;
2534 int idx_interface = 0;
2535 struct interface *ifp = NULL;
2536 struct listnode *node;
2537 char *vrf_name = NULL;
2538 bool all_vrf = false;
2539 int inst = 0;
2540 int idx_vrf = 0;
2541 struct ospf *ospf = NULL;
2542
2543 if (argv_find(argv, argc, "vrf", &idx_vrf)) {
2544 vrf_name = argv[idx_vrf + 1]->arg;
2545 all_vrf = strmatch(vrf_name, "all");
2546 }
2547 argv_find(argv, argc, "INTERFACE", &idx_interface);
2548 /* vrf input is provided could be all or specific vrf*/
2549 if (vrf_name) {
2550 if (all_vrf) {
2551 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
2552 if (!ospf->oi_running)
2553 continue;
2554 vrf = vrf_lookup_by_id(ospf->vrf_id);
2555 FOR_ALL_INTERFACES (vrf, ifp)
2556 show_mpls_te_link_sub(vty, ifp);
2557 }
2558 return CMD_SUCCESS;
2559 }
2560 ospf = ospf_lookup_by_inst_name(inst, vrf_name);
2561 } else
2562 ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT);
2563 if (ospf == NULL || !ospf->oi_running)
2564 return CMD_SUCCESS;
2565
2566 vrf = vrf_lookup_by_id(ospf->vrf_id);
2567 if (!vrf)
2568 return CMD_SUCCESS;
2569 if (idx_interface) {
2570 ifp = if_lookup_by_name(
2571 argv[idx_interface]->arg,
2572 ospf->vrf_id);
2573 if (ifp == NULL) {
2574 vty_out(vty, "No such interface name in vrf %s\n",
2575 vrf->name);
2576 return CMD_SUCCESS;
2577 }
2578 }
2579 if (!ifp) {
2580 FOR_ALL_INTERFACES (vrf, ifp)
2581 show_mpls_te_link_sub(vty, ifp);
2582 return CMD_SUCCESS;
2583 }
2584
2585 show_mpls_te_link_sub(vty, ifp);
2586 return CMD_SUCCESS;
2587 }
2588
2589 static void ospf_mpls_te_register_vty(void)
2590 {
2591 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_router_cmd);
2592 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_link_cmd);
2593
2594 install_element(OSPF_NODE, &ospf_mpls_te_on_cmd);
2595 install_element(OSPF_NODE, &no_ospf_mpls_te_cmd);
2596 install_element(OSPF_NODE, &ospf_mpls_te_router_addr_cmd);
2597 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_cmd);
2598 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_area_cmd);
2599 install_element(OSPF_NODE, &no_ospf_mpls_te_inter_as_cmd);
2600
2601 return;
2602 }
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